Abstract
A Comment on the Letter by Weilong She, Jianhui Yu, and Raohui Feng, [Phys. Rev. Lett. 101, 243601 (2008)]. The authors of the Letter offer a Reply.
- Received 11 March 2009
DOI:https://doi.org/10.1103/PhysRevLett.103.219301
©2009 American Physical Society